Filter cartridge



FIG. 1 is a rear top right perspective view of a filter cartridge, showing the new design;

FIG. 2 is a rear top left perspective view thereof;

FIG. 3 is a front top left perspective view thereof;

FIG. 4 is a front top right perspective view thereof;

FIG. 5 is a rear bottom right perspective view thereof;

FIG. 6 is a rear bottom left perspective view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is a front view thereof;

FIG. 9 is a left side view thereof;

FIG. 10 is a right side thereof;

FIG. 11 is a top view thereof; and,

FIG. 12 is a bottom view thereof.

The broken lines in the figures show portions of the filter cartridge that form no part of the claimed design. Any color, logos, surface ornamentation, and written matter shown in the figures form no part of the claimed designed and is/are hereby disclaimed. 

CLAIM The ornamental design of a filter cartridge, as shown and described. 